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Merge pull request #910 from trondn/erlang
Add Erlang analyzer
2 parents 92eb0ac + 901a436 commit 18901b1

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7 files changed

+407
-1
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7 files changed

+407
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lines changed

‎build.xml

+3-1
Original file line numberDiff line numberDiff line change
@@ -181,7 +181,9 @@ Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
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<run-jflex file="${src.dir}/org/opensolaris/opengrok/analysis/c/CXref.lex"/>
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<run-jflex file="${src.dir}/org/opensolaris/opengrok/analysis/c/CxxSymbolTokenizer.lex"/>
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<run-jflex file="${src.dir}/org/opensolaris/opengrok/analysis/c/CxxXref.lex"/>
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<run-jflex file="${src.dir}/org/opensolaris/opengrok/analysis/c/CScopeParser.lex"/>
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<run-jflex file="${src.dir}/org/opensolaris/opengrok/analysis/c/CScopeParser.lex"/>
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<run-jflex file="${src.dir}/org/opensolaris/opengrok/analysis/erlang/ErlangSymbolTokenizer.lex"/>
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<run-jflex file="${src.dir}/org/opensolaris/opengrok/analysis/erlang/ErlangXref.lex"/>
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<run-jflex file="${src.dir}/org/opensolaris/opengrok/analysis/fortran/FortranSymbolTokenizer.lex"/>
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<run-jflex file="${src.dir}/org/opensolaris/opengrok/analysis/fortran/FortranXref.lex"/>
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<run-jflex file="${src.dir}/org/opensolaris/opengrok/analysis/java/JavaSymbolTokenizer.lex"/>

‎src/org/opensolaris/opengrok/analysis/AnalyzerGuru.java

+2
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@@ -51,6 +51,7 @@
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import org.opensolaris.opengrok.analysis.data.IgnorantAnalyzerFactory;
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import org.opensolaris.opengrok.analysis.data.ImageAnalyzerFactory;
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import org.opensolaris.opengrok.analysis.document.TroffAnalyzerFactory;
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import org.opensolaris.opengrok.analysis.erlang.ErlangAnalyzerFactory;
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import org.opensolaris.opengrok.analysis.executables.ELFAnalyzerFactory;
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import org.opensolaris.opengrok.analysis.executables.JarAnalyzerFactory;
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import org.opensolaris.opengrok.analysis.executables.JavaClassAnalyzerFactory;
@@ -145,6 +146,7 @@ public class AnalyzerGuru {
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new CSharpAnalyzerFactory(),
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new VBAnalyzerFactory(),
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new CxxAnalyzerFactory(),
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new ErlangAnalyzerFactory(),
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new ShAnalyzerFactory(),
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PlainAnalyzerFactory.DEFAULT_INSTANCE,
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new UuencodeAnalyzerFactory(),

‎src/org/opensolaris/opengrok/analysis/erlang/Consts.java

+60
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@@ -0,0 +1,60 @@
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* See LICENSE.txt included in this distribution for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at LICENSE.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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package org.opensolaris.opengrok.analysis.erlang;
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import java.util.HashSet;
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import java.util.Set;
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/**
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* Holds static hash set containing the Erlang keywords
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*/
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public class Consts{
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public static final Set<String> kwd = new HashSet<String>() ;
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static {
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kwd.add("after");
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kwd.add("begin");
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kwd.add("case");
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kwd.add("try");
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kwd.add("cond");
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kwd.add("catch");
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kwd.add("andalso");
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kwd.add("orelse");
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kwd.add("end");
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kwd.add("fun");
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kwd.add("if");
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kwd.add("let");
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kwd.add("of");
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kwd.add("query");
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kwd.add("receive");
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kwd.add("when");
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kwd.add("bnot");
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kwd.add("not");
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kwd.add("div");
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kwd.add("rem");
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kwd.add("band");
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kwd.add("and");
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kwd.add("bor");
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kwd.add("bxor");
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kwd.add("bsl");
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kwd.add("bsr");
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kwd.add("or");
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kwd.add("xor");
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}
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}

‎src/org/opensolaris/opengrok/analysis/erlang/ErlangAnalyzer.java

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@@ -0,0 +1,61 @@
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* See LICENSE.txt included in this distribution for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at LICENSE.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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package org.opensolaris.opengrok.analysis.erlang;
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import java.io.IOException;
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import java.io.Reader;
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import java.io.Writer;
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import org.opensolaris.opengrok.analysis.Definitions;
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import org.opensolaris.opengrok.analysis.FileAnalyzerFactory;
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import org.opensolaris.opengrok.analysis.JFlexTokenizer;
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import org.opensolaris.opengrok.analysis.JFlexXref;
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import org.opensolaris.opengrok.analysis.plain.AbstractSourceCodeAnalyzer;
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import org.opensolaris.opengrok.configuration.Project;
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import org.opensolaris.opengrok.history.Annotation;
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public class ErlangAnalyzer extends AbstractSourceCodeAnalyzer {
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/**
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* Creates a new instance of ErlangAnalyzer
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*/
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protected ErlangAnalyzer(FileAnalyzerFactory factory) {
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super(factory);
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}
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// @Override
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// protected JFlexScopeParser newScopeParser(Reader reader) {
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// return new ErlangScopeParser(reader);
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// }
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@Override
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protected JFlexTokenizer newSymbolTokenizer(Reader reader) {
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return new ErlangSymbolTokenizer(reader);
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}
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@Override
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protected JFlexXref newXref(Reader reader) {
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return new ErlangXref(reader);
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}
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static void writeXref(Reader in, Writer out, Definitions defs, Annotation annotation, Project project) throws IOException {
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ErlangXref xref = new ErlangXref(in);
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AbstractSourceCodeAnalyzer.writeXref(xref, in, out, defs, annotation, project);
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}
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}

‎src/org/opensolaris/opengrok/analysis/erlang/ErlangAnalyzerFactory.java

+54
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@@ -0,0 +1,54 @@
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* See LICENSE.txt included in this distribution for the specific
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* language governing permissions and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at LICENSE.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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package org.opensolaris.opengrok.analysis.erlang;
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import java.io.IOException;
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import java.io.Reader;
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import java.io.Writer;
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import org.opensolaris.opengrok.analysis.Definitions;
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import org.opensolaris.opengrok.analysis.FileAnalyzer;
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import org.opensolaris.opengrok.analysis.FileAnalyzer.Genre;
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import org.opensolaris.opengrok.analysis.FileAnalyzerFactory;
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import org.opensolaris.opengrok.configuration.Project;
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import org.opensolaris.opengrok.history.Annotation;
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public class ErlangAnalyzerFactory extends FileAnalyzerFactory {
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private static final String[] SUFFIXES = {
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"ERL", "HRL", "ESCRIPT"
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};
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private static final String[] MAGICS = {
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"#!/usr/bin/env escript"
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};
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public ErlangAnalyzerFactory() {
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super(null, null, SUFFIXES, MAGICS, null, "text/plain", Genre.PLAIN);
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}
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@Override
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protected FileAnalyzer newAnalyzer() {
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return new ErlangAnalyzer(this);
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}
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@Override
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public void writeXref(Reader in, Writer out, Definitions defs, Annotation annotation, Project project)
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throws IOException {
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ErlangAnalyzer.writeXref(in, out, defs, annotation, project);
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}
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}

‎src/org/opensolaris/opengrok/analysis/erlang/ErlangSymbolTokenizer.lex

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@@ -0,0 +1,74 @@
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* See LICENSE.txt included in this distribution for the specific
9+
* language governing permissions and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at LICENSE.txt.
13+
* If applicable, add the following below this CDDL HEADER, with the
14+
* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Gets Erlang symbols - ignores comments, strings, keywords
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*/
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package org.opensolaris.opengrok.analysis.erlang;
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import java.io.IOException;
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import java.io.Reader;
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import org.opensolaris.opengrok.analysis.JFlexTokenizer;
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%%
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%public
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%class ErlangSymbolTokenizer
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%extends JFlexTokenizer
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%unicode
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%type boolean
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%eofval{
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return false;
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%eofval}
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%char
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Identifier = [A-Z_] [a-zA-Z0-9_@]*
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%state STRING COMMENT QATOM
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%%
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<YYINITIAL> {
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{Identifier} {String id = yytext();
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if(!Consts.kwd.contains(id)){
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setAttribs(id, yychar, yychar + yylength());
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return true; }
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}
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\" { yybegin(STRING); }
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\' { yybegin(QATOM); }
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"%" { yybegin(COMMENT); }
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}
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<STRING> {
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\" { yybegin(YYINITIAL); }
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\\\\ | \\\" {}
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}
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<QATOM> {
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\' { yybegin(YYINITIAL); }
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\\\\ | \\\' {}
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}
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<COMMENT> {
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\n { yybegin(YYINITIAL);}
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}
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<YYINITIAL, STRING, QATOM, COMMENT> {
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<<EOF>> { return false;}
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[^] {}
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}

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